Bruce Onion wanted to play the tuba on stage in the park, but the band, Groovy Brothers kept on going on stage and this prevents him from doing it. Years later, he attempts to destroy the park for revenge. When the Groovy Brothers were being told by him about the problem, they let him join the band. Once he joined, he redeem himself.
Bruce Onion appeared as an onion with glasses and beard. His looks does not look villainous, unlike most villains.
Bruce Onion is really self-centered. He really wants recognition, so his goal is to destroy the park as a revenge on the Groovy Brothers, but it redeemed him when they let him join.